Claim of US Patent No. 10,143,112

1. A machine cabinet for dissipating heat, comprising:a housing; and
an inner chamber, a liquid working medium accommodating area, a heat exchanger, guiding fins, and a delivery passage disposed in the housing;
the inner chamber configured to be in a vacuum state and to accommodate to-be-cooled electronic devices;
the liquid working medium accommodating area configured to accommodate a liquid working medium, the liquid working medium converted into a gas working medium to enter the heat exchanger after cooling the to-be-cooled electronic devices;
the heat exchanger configured to liquefy the gas working medium into the liquid working medium and guide the liquid working medium obtained by liquefying the gas working medium into the delivery passage, the heat exchanger including heat exchange tubes and cooling fins arranged below the heat exchange tubes, the guiding fins arranged below lowest cooling fins and configured to collect the liquid working medium obtained by liquefying the gas working medium with the cooling fins and guide the liquid working medium into the delivery passage; and
the delivery passage connected to the heat exchanger and the liquid working medium accommodating area and configured to guide the liquid working medium obtained by liquefying the gas working medium into the liquid working medium accommodating area.